Re: [Numpy-discussion] Profiling Python codes with hotshot and KCachegrind

2006-11-08 Thread Fernando Perez
On 11/8/06, Stefan van der Walt <[EMAIL PROTECTED]> wrote:

> This looks very interesting.  It works for me on simple scripts, but
> whenever I include the lines
>
> from numpy.testing import set_local_path
> set_local_path('../../..')
>
> in the input, pycachegrind aborts with
>
>   File 
> "/home/stefan//lib/python2.4/site-packages/numpy/testing/numpytest.py", line 
> 68, in set_local_path
> if f.f_locals['__name__']=='__main__':
> KeyError: '__name__'
>
> I guess this is because the script is run in a separate namespace.
> I've managed to work around the problem by changing the definition of
> 'run' to:

Good catch, thanks, I've fixed the public version with your changes.

Best,

f

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Re: [Numpy-discussion] Profiling Python codes with hotshot and KCachegrind

2006-11-08 Thread Stefan van der Walt
On Wed, Nov 08, 2006 at 01:32:44AM -0700, Fernando Perez wrote:
> Hi all,
> 
> in the past, Arnd Baecker has made a number of very useful posts on
> this matter, and provided some nice utilities to do it.  I now needed
> to profile some fairly complex codes prior to a big optimization push,
> so I went over his material and wrote a little tool to make the whole
> process as painless as possible.  Here it is, hoping others may find
> it useful:
> 
> http://amath.colorado.edu/faculty/fperez/python/profiling/

This looks very interesting.  It works for me on simple scripts, but
whenever I include the lines

from numpy.testing import set_local_path
set_local_path('../../..')

in the input, pycachegrind aborts with

  File "/home/stefan//lib/python2.4/site-packages/numpy/testing/numpytest.py", 
line 68, in set_local_path
if f.f_locals['__name__']=='__main__':
KeyError: '__name__'

I guess this is because the script is run in a separate namespace.
I've managed to work around the problem by changing the definition of
'run' to:

def run(code):
loc = locals()
loc['__name__'] = '__main__'
loc['__file__'] = sys.argv[0]

exec code in locals()


Cheers
Stéfan

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[Numpy-discussion] Profiling Python codes with hotshot and KCachegrind

2006-11-08 Thread Fernando Perez
Hi all,

in the past, Arnd Baecker has made a number of very useful posts on
this matter, and provided some nice utilities to do it.  I now needed
to profile some fairly complex codes prior to a big optimization push,
so I went over his material and wrote a little tool to make the whole
process as painless as possible.  Here it is, hoping others may find
it useful:

http://amath.colorado.edu/faculty/fperez/python/profiling/

Cheers,

f

-
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